/* ============================================================
   Concept E — "The Feature"
   Cinema. Near-black, graded full-bleed scenes, film-credit type.
   One family: Switzer, light weights at scale. Cyan as the signal.
   ============================================================ */

@font-face { font-family: 'Switzer'; src: url('/fonts/switzer-300.woff2') format('woff2'); font-weight: 300; font-display: swap; }
@font-face { font-family: 'Switzer'; src: url('/fonts/switzer-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Switzer'; src: url('/fonts/switzer-500.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Switzer'; src: url('/fonts/switzer-600.woff2') format('woff2'); font-weight: 600; font-display: swap; }

:root {
  --black: #0A0B10;
  --black-2: #101220;
  --white: #F4F5F8;
  --gray: #969CAD;      /* 6.5:1 on black */
  --cyan: #33CCCC;      /* 9.3:1 on black */
  --line: rgba(244, 245, 248, 0.14);
  --f: 'Switzer', system-ui, sans-serif;
  --wrap: 1160px;
  --gut: clamp(1.25rem, 4vw, 2.5rem);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--f);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--white);
  background: var(--black);
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
section[id] { scroll-margin-top: 4.5rem; }

.skip { position: absolute; left: -9999px; top: 0; background: var(--white); color: var(--black); padding: 0.6rem 1rem; z-index: 100; }
.skip:focus { left: 0; }

::selection { background: var(--cyan); color: var(--black); }

h1, h2, h3 { text-wrap: balance; font-weight: 300; }

.sec-h { font-size: clamp(2rem, 4.2vw, 3.1rem); line-height: 1.08; letter-spacing: -0.015em; }
.sec-lede { color: var(--gray); max-width: 34rem; margin-top: 1.1rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  border: 1px solid var(--white);
  color: var(--white);
  background: transparent;
  font-weight: 500;
  font-size: 1.05rem;
  line-height: 1;
  text-decoration: none;
  padding: 1rem 1.8rem;
  border-radius: 999px;
  transition: background 0.2s ease-out, color 0.2s ease-out;
}
.btn:hover { background: var(--white); color: var(--black); }
.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.btn-lg { padding: 1.15rem 2.2rem; }
.btn-nav { font-size: 0.95rem; padding: 0.6rem 1.2rem; }

/* ---------- nav ---------- */
.nav {
  position: absolute; top: 0; left: 0; right: 0; z-index: 40;
}
.nav-row { display: flex; align-items: center; gap: 2rem; height: 4.5rem; }
.brand { font-weight: 600; font-size: 1.15rem; letter-spacing: 0.01em; text-decoration: none; }
.nav-links { display: flex; gap: 1.75rem; margin-left: auto; }
.nav-links a { text-decoration: none; font-size: 0.92rem; color: var(--white); opacity: 0.85; transition: opacity 0.15s; }
.nav-links a:hover { opacity: 1; }
.nav-burger { display: none; }
.m-nav { display: none; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; }
.hero picture, .hero-img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-img { object-fit: cover; object-position: 50% 35%; }
.js .hero-img { animation: drift 18s ease-out both; }
@keyframes drift { from { transform: scale(1.06); } to { transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { .js .hero-img { animation: none; } }
.hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10, 11, 16, 0.62) 0%, rgba(10, 11, 16, 0.3) 38%, rgba(10, 11, 16, 0.7) 62%, rgba(10, 11, 16, 0.94) 100%);
}
.hero-stack { position: relative; z-index: 1; width: 100%; padding-block: 0 clamp(3rem, 8vh, 5.5rem); }
.hero-kicker { font-size: 0.98rem; font-weight: 500; color: var(--white); }
.hero-h {
  margin-top: 1rem;
  font-size: clamp(2.6rem, 5.8vw, 4.75rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 400;
}
.hero-sub { margin-top: 1.4rem; max-width: 36rem; color: var(--white); font-size: 1.125rem; }
.hero-cta { margin-top: 2.2rem; display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.hero-proof { font-size: 0.95rem; color: var(--white); opacity: 0.85; }

/* ---------- synopsis ---------- */
.synopsis { padding-block: clamp(5rem, 12vh, 8.5rem); }
.synopsis p {
  max-width: 46rem;
  margin-inline: auto;
  text-align: center;
  font-size: clamp(1.3rem, 2.3vw, 1.7rem);
  line-height: 1.5;
  font-weight: 300;
  text-wrap: pretty;
}

/* ---------- figures ---------- */
.figures { border-block: 1px solid var(--line); }
.figures .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.fig { padding: 2.6rem 1.6rem 2.8rem; border-inline-start: 1px solid var(--line); text-align: center; }
.fig:first-child { border-inline-start: none; }
.fig em {
  font-style: normal;
  font-weight: 300;
  font-size: clamp(2.6rem, 4.6vw, 4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  display: block;
}
.fig span { display: block; margin-top: 0.8rem; color: var(--gray); font-size: 0.95rem; max-width: 15rem; margin-inline: auto; }

/* ---------- scenes ---------- */
.scene { position: relative; }
.scene img { width: 100%; height: clamp(420px, 74vh, 720px); object-fit: cover; }
.scene-short img { height: clamp(300px, 48vh, 460px); }
.scene::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10, 11, 16, 0.34) 0%, rgba(10, 11, 16, 0.06) 40%, rgba(10, 11, 16, 0.72) 100%);
  pointer-events: none;
}
.scene figcaption {
  position: absolute; left: 0; right: 0; bottom: clamp(1.8rem, 5vh, 3.2rem);
  z-index: 1;
}
.scene figcaption span {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.015em;
}

/* ---------- chapters ---------- */
.chapter { border-bottom: 1px solid var(--line); }
.chapter:last-child { border-bottom: none; }
.ch-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  padding-block: clamp(3rem, 7vh, 4.8rem);
}
.chapter:nth-child(2) .ch-grid h2 { padding-left: clamp(0rem, 6vw, 5rem); }
.chapter h2 {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
}
.ch-body p { color: var(--gray); }
.ch-body p:first-child { color: var(--white); }
.ch-roles { margin-top: 1rem; font-size: 0.93rem; }
.ch-fee { margin-top: 0.4rem; font-size: 0.93rem; color: var(--cyan) !important; }

/* ---------- method ---------- */
.method { background: var(--black-2); padding-block: clamp(4.5rem, 10vh, 7.5rem); margin-top: clamp(4rem, 9vh, 6rem); }
.method-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: clamp(2.5rem, 6vw, 5rem); }
.steps { list-style: none; counter-reset: step; }
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 3rem 1fr;
  column-gap: 1.4rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--line);
}
.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps li::before {
  content: counter(step);
  grid-row: 1 / span 2;
  font-weight: 300;
  font-size: 1.9rem;
  line-height: 1.1;
  color: var(--gray);
}
.steps h3 { font-weight: 500; font-size: 1.15rem; }
.steps p { grid-column: 2; color: var(--gray); margin-top: 0.35rem; font-size: 1rem; }

/* ---------- SELLER ---------- */
.seller { padding-block: clamp(4.5rem, 10vh, 7.5rem); }
.seller-list { list-style: none; margin-top: 2.6rem; border-bottom: 1px solid var(--line); }
.seller-list li {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 15rem) 1fr;
  gap: 1.5rem;
  align-items: baseline;
  padding-block: 1.15rem;
  border-top: 1px solid var(--line);
}
.seller-list b { font-weight: 300; font-size: 2.4rem; line-height: 1; color: var(--cyan); }
.seller-list strong { font-weight: 500; font-size: 1.1rem; }
.seller-list span { color: var(--gray); font-size: 1rem; }
.seller-note { margin-top: 1.6rem; color: var(--gray); max-width: 40rem; }

/* ---------- evidence ---------- */
.evidence { padding-block: clamp(4.5rem, 10vh, 7.5rem); }
.quote { max-width: 52rem; margin-inline: auto; text-align: center; }
.quote p {
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  line-height: 1.45;
  font-weight: 300;
  text-wrap: pretty;
}
.quote footer { margin-top: 1.8rem; }
.quote strong { display: block; font-weight: 500; }
.quote footer span { color: var(--gray); font-size: 0.95rem; }
.guarantee {
  margin-top: clamp(4rem, 9vh, 6.5rem);
  padding-top: clamp(3rem, 7vh, 5rem);
  border-top: 1px solid var(--line);
  text-align: center;
}
.guarantee h2 {
  font-size: clamp(1.9rem, 3.8vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
}
.guarantee p { margin-top: 1.1rem; color: var(--gray); max-width: 34rem; margin-inline: auto; }

/* ---------- credits ---------- */
.credits { background: var(--black-2); padding-block: clamp(4.5rem, 10vh, 7.5rem); }
.credits-head { text-align: center; }
.credits-head .sec-lede { margin-inline: auto; }
.cast-strip {
  display: flex;
  gap: 1.4rem;
  margin-top: 3rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scroll-padding-inline: var(--gut);
  padding-inline: max(var(--gut), calc((100vw - var(--wrap)) / 2 + var(--gut)));
  padding-bottom: 1rem;
}
.cast-strip figure { flex: 0 0 176px; scroll-snap-align: start; text-align: center; }
.cast-strip img { width: 176px; height: 176px; object-fit: cover; border-radius: 3px; }
.cast-strip figcaption { padding-top: 0.75rem; font-weight: 500; font-size: 0.98rem; line-height: 1.35; }
.cast-strip figcaption span { display: block; font-weight: 400; font-size: 0.85rem; color: var(--gray); }
.cast-strip:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

/* ---------- FAQ ---------- */
.faq { padding-block: clamp(4.5rem, 10vh, 7.5rem); }
.faq-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.faq-list { border-bottom: 1px solid var(--line); }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list summary {
  cursor: pointer;
  list-style: none;
  display: flex; align-items: baseline; justify-content: space-between; gap: 1.5rem;
  padding-block: 1.2rem;
  font-weight: 500; font-size: 1.08rem;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  font-weight: 300; font-size: 1.5rem; line-height: 0.8;
  color: var(--cyan);
  transition: transform 0.18s ease-out;
  flex-shrink: 0;
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { padding-bottom: 1.3rem; color: var(--gray); max-width: 60ch; }

/* ---------- final ---------- */
.final { border-top: 1px solid var(--line); padding-block: clamp(5rem, 13vh, 9rem); text-align: center; }
.final h2 {
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}
.final-act { margin-top: 2.4rem; display: flex; flex-direction: column; align-items: center; gap: 1.1rem; }
.final-act p { color: var(--gray); font-size: 0.98rem; }
.final-act p a { color: var(--white); }
.logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem 2.2rem; margin-top: 3.5rem; }
.client { display: inline-flex; align-items: center; gap: 0.55rem; font-weight: 500; font-size: 0.95rem; color: var(--gray); }
.client img { width: 32px; height: 32px; object-fit: cover; border-radius: 4px; opacity: 0.9; }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); padding-block: 2.5rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 2rem; align-items: start; }
.foot-brand { font-weight: 600; font-size: 1.1rem; }
.foot-line { color: var(--gray); font-size: 0.95rem; margin-top: 0.3rem; }
.foot-nav { display: flex; flex-direction: column; gap: 0.45rem; }
.foot-nav a { text-decoration: none; color: var(--gray); font-size: 0.95rem; }
.foot-nav a:hover { color: var(--white); }
.foot-meta { color: var(--gray); font-size: 0.9rem; text-align: right; }
.foot-meta a { color: var(--white); text-decoration: none; }

/* ---------- reveal (enhancement only) ---------- */
.js .rv { opacity: 0; transform: translateY(16px); transition: opacity 0.7s ease-out, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1); }
.js .rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .rv { opacity: 1; transform: none; transition: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-row .btn-nav { display: none; }
  .nav-burger {
    display: flex; flex-direction: column; gap: 6px; justify-content: center;
    margin-left: auto; background: none; border: 0; padding: 0.5rem; cursor: pointer; z-index: 45;
  }
  .nav-burger span { width: 26px; height: 2px; background: var(--white); transition: transform 0.2s; }
  .nav-burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .m-nav.open {
    display: flex; flex-direction: column; gap: 1.1rem;
    position: absolute; top: 4.5rem; left: 0; right: 0;
    background: var(--black);
    border-block: 1px solid var(--line);
    padding: 1.5rem var(--gut) 2rem;
  }
  .m-nav a { text-decoration: none; font-size: 1.1rem; }
  .m-nav .btn { align-self: flex-start; margin-top: 0.5rem; }

  .figures .wrap { grid-template-columns: 1fr 1fr; }
  .fig { border-inline-start: none; border-top: 1px solid var(--line); text-align: left; padding-inline: 0; }
  .fig:nth-child(-n + 2) { border-top: none; }
  .fig span { margin-inline: 0; }
  .figures .wrap { column-gap: 2rem; }
  .ch-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .chapter:nth-child(2) .ch-grid h2 { padding-left: 0; }
  .method-grid, .faq-grid { grid-template-columns: 1fr; }
  .seller-list li { grid-template-columns: 3rem 1fr; }
  .seller-list span { grid-column: 2; }
  .foot-grid { grid-template-columns: 1fr; }
  .foot-meta { text-align: left; }
}